CA2126718A1 - Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides - Google Patents

Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides

Info

Publication number: CA2126718A1
Authority: CA; Canada
Prior art keywords: process according; filter cake; removal; nitrogen oxides; production
Prior art date: 1993-06-29
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Abandoned

Application number

CA002126718A

Other languages

English (en)

French (fr)

Inventor

Kai Butje

Jurgen Kischkewitz

Rolf Michael Braun

Udo Holtmann

Peter-Joachim Barenthien

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Kerr-Mcgee Pigments & Co KG GmbH

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1993-06-29

Filing date

1994-06-24

Publication date

1994-12-30

1994-06-24 Application filed by Individual filed Critical Individual

1994-12-30 Publication of CA2126718A1 publication Critical patent/CA2126718A1/en

Status Abandoned legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 40
230000008569 process Effects 0.000 title claims abstract description 40
MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 36
239000003054 catalyst Substances 0.000 title claims abstract description 20
239000000843 powder Substances 0.000 title claims abstract description 16
238000004519 manufacturing process Methods 0.000 title claims abstract description 10
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 41
JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 16
239000000725 suspension Substances 0.000 claims abstract description 15
239000012065 filter cake Substances 0.000 claims abstract description 11
238000001354 calcination Methods 0.000 claims abstract description 8
239000000470 constituent Substances 0.000 claims abstract description 8
239000007787 solid Substances 0.000 claims abstract description 7
IYVLHQRADFNKAU-UHFFFAOYSA-N oxygen(2-);titanium(4+);hydrate Chemical compound O.[O-2].[O-2].[Ti+4] IYVLHQRADFNKAU-UHFFFAOYSA-N 0.000 claims abstract description 6
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 5
238000001035 drying Methods 0.000 claims abstract description 5
150000003839 salts Chemical class 0.000 claims abstract description 5
229910052721 tungsten Inorganic materials 0.000 claims abstract description 5
229910052720 vanadium Inorganic materials 0.000 claims abstract description 5
238000005406 washing Methods 0.000 claims abstract description 5
229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
239000001117 sulphuric acid Substances 0.000 claims abstract description 4
235000011149 sulphuric acid Nutrition 0.000 claims abstract description 4
229910052751 metal Inorganic materials 0.000 claims abstract description 3
239000002184 metal Substances 0.000 claims abstract description 3
150000002739 metals Chemical class 0.000 claims abstract description 3
238000001914 filtration Methods 0.000 claims abstract 4
230000003472 neutralizing effect Effects 0.000 claims abstract 2
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
229910021653 sulphate ion Inorganic materials 0.000 claims description 12
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 10
239000000047 product Substances 0.000 claims description 4
150000003863 ammonium salts Chemical class 0.000 claims description 3
239000003546 flue gas Substances 0.000 claims description 2
238000001694 spray drying Methods 0.000 claims 2
230000003197 catalytic effect Effects 0.000 claims 1
QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
239000000243 solution Substances 0.000 description 10
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 5
238000002156 mixing Methods 0.000 description 5
238000001556 precipitation Methods 0.000 description 5
239000010936 titanium Substances 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
239000002253 acid Substances 0.000 description 4
-1 forl example clays Substances 0.000 description 4
239000002243 precursor Substances 0.000 description 4
235000011121 sodium hydroxide Nutrition 0.000 description 4
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
229910021529 ammonia Inorganic materials 0.000 description 3
235000011114 ammonium hydroxide Nutrition 0.000 description 3
239000003518 caustics Substances 0.000 description 3
238000006386 neutralization reaction Methods 0.000 description 3
239000011734 sodium Substances 0.000 description 3
229910052719 titanium Inorganic materials 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
229910000069 nitrogen hydride Inorganic materials 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
150000003608 titanium Chemical class 0.000 description 2
OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
239000010937 tungsten Substances 0.000 description 2
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
241000282326 Felis catus Species 0.000 description 1
241000264877 Hippospongia communis Species 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000001464 adherent effect Effects 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
238000004220 aggregation Methods 0.000 description 1
239000003513 alkali Substances 0.000 description 1
230000003113 alkalizing effect Effects 0.000 description 1
235000019270 ammonium chloride Nutrition 0.000 description 1
229910052788 barium Inorganic materials 0.000 description 1
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
230000008901 benefit Effects 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000000975 co-precipitation Methods 0.000 description 1
XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 description 1
239000008367 deionised water Substances 0.000 description 1
229910021641 deionized water Inorganic materials 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
239000000835 fiber Substances 0.000 description 1
230000003311 flocculating effect Effects 0.000 description 1
239000011521 glass Substances 0.000 description 1
238000000227 grinding Methods 0.000 description 1
239000012456 homogeneous solution Substances 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
239000013067 intermediate product Substances 0.000 description 1
238000004898 kneading Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
229920000728 polyester Polymers 0.000 description 1
230000009467 reduction Effects 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
239000002002 slurry Substances 0.000 description 1
229910001415 sodium ion Inorganic materials 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
241000894007 species Species 0.000 description 1
239000007858 starting material Substances 0.000 description 1
LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
239000004408 titanium dioxide Substances 0.000 description 1
XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical class [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Catalysts (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)

CA002126718A 1993-06-29 1994-06-24 Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides Abandoned CA2126718A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEP4321555.6		1993-06-29
DE4321555A DE4321555C1 (de)	1993-06-29	1993-06-29	Verfahren zur Herstellung von Mischoxidpulvern für Entstickungskatalysatoren

Publications (1)

Publication Number	Publication Date
CA2126718A1 true CA2126718A1 (en)	1994-12-30

Family

ID=6491479

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002126718A Abandoned CA2126718A1 (en)	1993-06-29	1994-06-24	Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides

Country Status (8)

Country	Link
US (1)	US5723404A (es)
EP (1)	EP0640386B1 (es)
JP (1)	JP3694537B2 (es)
CA (1)	CA2126718A1 (es)
DE (2)	DE4321555C1 (es)
ES (1)	ES2094012T3 (es)
FI (1)	FI115507B (es)
NO (1)	NO302339B1 (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0762925B1 (de) *	1994-05-30	1999-08-11	Siemens Aktiengesellschaft	Katalysator zur stickoxidminderung in einem strömungsmedium und verfahren zu seiner herstellung
DK0768110T3 (da) *	1995-10-09	2002-05-27	Shell Int Research	Katalysator og fremgangsmåde til omdannelse af nitrogenoxidforbindelser
DE19721440A1 (de) *	1997-05-21	1998-11-26	Degussa	Verfahren zur Reinigung eines mageren Abgases und Katalysatorsystem hierfür
DE19806266C1 (de) *	1998-02-16	1999-08-26	Siemens Ag	Katalysator und Verfahren zur Abgasreinigung
KR20010043862A (ko) *	1998-05-29	2001-05-25	칼 하인쯔 호르닝어	디젤 엔진 배기 가스 정화 방법
DE19840404A1 (de)	1998-09-04	2000-03-09	Siemens Ag	Verfahren zur katalytischen Entfernung von polyzyklischen aromatischen Nitro-, Nitroso- und/oder Amino-Verbindungen
US7070746B1 (en)	1999-05-26	2006-07-04	Solutia Inc.	Process for nitrous oxide purification
JP4167039B2 (ja) *	2002-04-10	2008-10-15	三菱重工業株式会社	ガスタービン単独プラントの改造方法、触媒の再利用方法
JP2004275852A (ja) *	2003-03-14	2004-10-07	Mitsubishi Heavy Ind Ltd	排煙脱硝触媒及びその製造方法
KR100549778B1 (ko) *	2003-09-27	2006-02-08	한국전력기술 주식회사	저온 탈질 특성을 갖는 바나듐/티타니아계 질소산화물제거용 촉매, 이의 사용방법 및 이의 탈질방법
US7491676B2 (en) *	2004-10-19	2009-02-17	Millennium Inorganic Chemicals	High activity titania supported metal oxide DeNOx catalysts
KR100641694B1 (ko) *	2005-01-28	2006-11-03	주식회사 나노	탈질촉매 압출성형용 티타니아 제조방법
CA2676953A1 (en) *	2007-01-30	2008-08-07	Babcock-Hitachi Kabushiki Kaisha	Exhaust gas purification catalyst and method of producing the same
CN101371970B (zh) *	2008-09-15	2011-07-13	江苏科行环境工程技术有限公司	一种适用于含有碱金属氧化物烟气脱硝的催化剂及其制备方法
JP2011005475A (ja) *	2009-05-29	2011-01-13	Sumitomo Chemical Co Ltd	光触媒体分散液およびそれを用いた光触媒機能製品
US8545796B2 (en) *	2009-07-31	2013-10-01	Cristal Usa Inc.	Silica-stabilized ultrafine anatase titania, vanadia catalysts, and methods of production thereof
CN101658793B (zh) *	2009-09-29	2011-10-05	浙江三龙催化剂有限公司	用于火电厂烟气scr脱硝中的钛基催化剂及其制备方法
JP2011189262A (ja) *	2010-03-15	2011-09-29	Babcock Hitachi Kk	二酸化炭素回収装置からの排ガスの処理方法及び装置
EP2444150A1 (de)	2010-10-22	2012-04-25	crenox GmbH	Trägerkatalysator aus Aufschlussrückständen der titanylsulfathaltigen Schwarzlösung
EP2522418A1 (de)	2011-05-11	2012-11-14	Sachtleben Pigment GmbH	Rohstoffe für vanadiumfreie oder vanadiumreduzierte DeNOx-Katalysatoren und Verfahren zu ihrer Herstellung
WO2013013704A1 (en)	2011-07-25	2013-01-31	Toyota Motor Europe Nv/Sa	Cost-effective core-shell catalyst with high electrochemical stability
FI3721994T3 (fi)	2012-08-24	2023-03-30	Tronox Llc	Katalyyttituki, joka käsittää titaniaa, molybdenaa, fosforia ja piidioksidia
GB201300810D0 (en)	2013-01-16	2013-02-27	Llika Technologies Ltd	Composite Materials
GB2509916A (en)	2013-01-16	2014-07-23	Ilika Technologies Ltd	A mixed metal oxide material of tantalum and titanium
GB2517394A (en)	2013-01-16	2015-02-25	Ilika Technologies Ltd	Composite materials
TWI651269B (zh) *	2013-09-23	2019-02-21	歐洲泰奧色得有限公司	二氧化鈦粒子及其製備方法
CN104226372B (zh) *	2014-10-08	2017-01-11	镇江市亚东高压电器厂	一种平板式脱硝催化剂及其制备方法
EP3482825A1 (de) *	2017-11-14	2019-05-15	Umicore Ag & Co. Kg	Scr-katalysator
CN108212180B (zh) *	2018-03-20	2021-03-02	攀枝花市正源科技有限责任公司	一种中低温scr脱硝用钛钼复合粉及其制备方法
CN111468103B (zh) *	2019-01-23	2021-07-20	中国科学院过程工程研究所	一种废弃scr脱硝催化剂回收制备新scr脱硝催化剂的方法
CN112408470A (zh) *	2020-10-30	2021-02-26	甘肃盈华环保科技有限公司	基于高温煅烧法以废脱硝催化剂生产钛白粉的方法
CN112221485A (zh) *	2020-11-13	2021-01-15	重庆新华化工有限公司	一种降低烧损的Ti-Mo或Ti-Mo-V催化剂钛白粉的制备方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3898321A (en) *	1973-02-28	1975-08-05	American Cyanamid Co	Preparation of macroporous, heat-stable titania having high pore volume
US4085193A (en) *	1973-12-12	1978-04-18	Mitsubishi Petrochemical Co. Ltd.	Catalytic process for reducing nitrogen oxides to nitrogen
FR2327814A1 (fr) *	1975-10-15	1977-05-13	Hitachi Ltd	Procede pour traiter par catalyse un gaz d'echappement renfermant de l'ammoniac gazeux et de l'oxygene gazeux.
EP0159959B1 (en) *	1984-04-05	1992-01-15	Mitsubishi Jukogyo Kabushiki Kaisha	Method for recovering denitrating catalyst for ammonia catalytic reduction
DE3439217A1 (de) *	1984-10-26	1986-04-30	Kronos Titan-Gmbh, 5090 Leverkusen	Verfahren zur faellung von titandioxidhydrat aus einer titansulfatloesung durch thermische hydrolyse
JPH064126B2 (ja) *	1985-06-10	1994-01-19	株式会社日本触媒	排ガス浄化方法
JPS61291026A (ja) *	1985-06-17	1986-12-20	Hitachi Ltd	窒素酸化物と一酸化炭素とを同時に除去する方法
NZ215457A (en) *	1985-06-27	1988-07-28	Mobil Oil Corp	Catalytically activating crystalline aluminium phosphate by contacting with steam
DE3684739D1 (de) *	1985-08-19	1992-05-14	Mitsubishi Heavy Ind Ltd	Verfahren zur aufbereitung eines katalysators zur entfernung von stickstoffoxiden.
DE3779209D1 (de) *	1986-07-25	1992-06-25	Mitsubishi Petrochemical Co	Katalysatoren und ihr gebrauch zur entfernung von stickoxiden in abgasen.
FI873445L (fi) *	1986-09-30	1988-03-31	Kraftwerk Union Ag	Katalysatorbaerare.
JPH0817939B2 (ja) *	1986-11-19	1996-02-28	三菱化学株式会社	排煙脱硝触媒
JPS63291628A (ja) *	1987-05-22	1988-11-29	Babcock Hitachi Kk	窒素酸化物除去方法
DE3740289A1 (de) *	1987-11-27	1989-06-08	Degussa	Katalysator zur selektiven reduktion von stickoxiden mit ammoniak
US4929586A (en) *	1988-06-09	1990-05-29	W. R. Grace & Co.-Conn.	Catalysts for selective catalytic reduction DeNOx technology
DE3821480A1 (de) *	1988-06-25	1989-12-28	Basf Ag	Verfahren zur entfernung von stickoxiden aus verbrennungsabgasen
DE3840195A1 (de) *	1988-11-29	1990-05-31	Bayer Ag	Titandioxid, verfahren zu seiner herstellung und dessen verwendung
US5198403A (en) *	1989-02-28	1993-03-30	Degussa Ag	Process for producing a catalyst for selective reduction of nitrous oxides with ammonia
JP2879738B2 (ja) *	1989-03-28	1999-04-05	触媒化成工業株式会社	排ガスの浄化方法およびそれに使用する触媒成型体
EP0614692A1 (en) *	1990-05-03	1994-09-14	Sakai Chemical Industry Co., Ltd.,	Catalysts and methods for denitrization
DE4025587A1 (de) *	1990-08-11	1992-02-13	Basf Ag	Verfahren zur herstellung von katalysatoren
FR2677012B1 (fr) *	1991-05-31	1993-09-03	Rhone Poulenc Chimie	Dioxyde de titane sous forme de plaquettes et son procede de preparation.
DE4141936C2 (de) *	1991-12-19	1993-10-28	Metallgesellschaft Ag	Verfahren zur Herstellung von aus TiO¶2¶ bestehenden Pellets

1993
- 1993-06-29 DE DE4321555A patent/DE4321555C1/de not_active Expired - Fee Related
1994
- 1994-06-16 EP EP94109282A patent/EP0640386B1/de not_active Expired - Lifetime
- 1994-06-16 DE DE59400939T patent/DE59400939D1/de not_active Expired - Fee Related
- 1994-06-16 ES ES94109282T patent/ES2094012T3/es not_active Expired - Lifetime
- 1994-06-23 JP JP16333094A patent/JP3694537B2/ja not_active Expired - Fee Related
- 1994-06-24 CA CA002126718A patent/CA2126718A1/en not_active Abandoned
- 1994-06-27 FI FI943080A patent/FI115507B/fi active IP Right Grant
- 1994-06-28 NO NO942444A patent/NO302339B1/no unknown
1996
- 1996-05-16 US US08/649,924 patent/US5723404A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE4321555C1 (de)	1994-09-15
ES2094012T3 (es)	1997-01-01
EP0640386A1 (de)	1995-03-01
JP3694537B2 (ja)	2005-09-14
FI943080A0 (fi)	1994-06-27
FI115507B (fi)	2005-05-31
DE59400939D1 (de)	1996-12-05
FI943080L (fi)	1994-12-30
NO942444D0 (no)	1994-06-28
US5723404A (en)	1998-03-03
NO302339B1 (no)	1998-02-23
JPH0796185A (ja)	1995-04-11
NO942444L (no)	1994-12-30
EP0640386B1 (de)	1996-10-30

Publication	Publication Date	Title
CA2126718A1 (en)	1994-12-30	Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides
US7264784B2 (en)	2007-09-04	Method for treating exhaust gas
JP5936680B2 (ja)	2016-06-22	バナジウムを含んでいない、またはバナジウムを減少させたＤｅＮＯｘ触媒のための原料、およびその製造方法
AU602270B2 (en)	1990-10-04	Catalyst for the selective reduction of nitrogen oxides with amnonia
US4081510A (en)	1978-03-28	Process for catalytically treating an exhaust gas containing ammonia gas and oxygen gas to reduce said ammonia gas to nitrogen
US20040037772A1 (en)	2004-02-26	Process for producing titanium oxide
KR20000067090A (ko)	2000-11-15	광촉매용 미립 이산화티타늄 분말의 제조방법
TW592804B (en)	2004-06-21	Catalyst for purification of exhaust gases, production process therefor, and process for purification of exhaust gases
CN110465284B (zh)	2023-08-18	稀土基脱硝催化剂及其制备方法和应用
KR101667863B1 (ko)	2016-10-19	티탄 함유 입상 분말 및 이를 사용한 배기 가스 처리 촉매, 및 이들의 제조 방법
DE19617081C2 (de)	2003-02-06	Verfahren zur Herstellung von Mischoxidpulvern aus desaktivierten DENOX-Katalysatoren
NL8401563A (nl)	1984-12-17	Werkwijze ter bereiding van katalysatoren.
CN109012703B (zh)	2021-05-18	一种制备铁硫钛基高温nh3-scr脱硝催化剂的方法
CN102574107A (zh)	2012-07-11	铜离子改性的氧化钛及其制造方法和光催化剂
AU2293899A (en)	1999-08-30	Pure titanium dioxide hydrate and a process for the production thereof
KR100641694B1 (ko)	2006-11-03	탈질촉매 압출성형용 티타니아 제조방법
JP2820555B2 (ja)	1998-11-05	光反応促進用チタン酸化物触媒
JP4098698B2 (ja)	2008-06-11	排ガス処理方法
JP3924418B2 (ja)	2007-06-06	排ガス処理用触媒および排ガス処理方法
JP2018199610A (ja)	2018-12-20	ルチル型マンガン−チタン系複合酸化物及びその製造方法、並びにその用途
CZ2019555A3 (cs)	2020-06-10	Způsob výroby směsných oxidů titanu
JP2001113170A (ja)	2001-04-24	脱硝触媒の製造方法
KR20230081164A (ko)	2023-06-07	공침법을 이용한 이산화 타이타늄의 표면개질 및 이를 활용한 scr 촉매 및 이의 제조방법
JPH0256245A (ja)	1990-02-26	窒素酸化物除去用触媒
JP4098697B2 (ja)	2008-06-11	排ガス処理方法

Legal Events

Date	Code	Title	Description
2001-02-26	EEER	Examination request
2004-06-25	FZDE	Discontinued